[Ohrrpgce] SVN: teeemcee/9070 Add "multdiv" command to calculate int(float(a)*b/c) with clamping. Undo

[subversion at HamsterRepublic.com]

teeemcee
2017-07-25 07:18:48 -0700 (Tue, 25 Jul 2017)
202
Add "multdiv" command to calculate int(float(a)*b/c) with clamping. Undocumented.

Doing this calculation using signed 32 bit integers without overflowing is
horribly complicated, so I decided to cheat.
---
U   wip/const.bi
U   wip/hamsterspeak.hsd
U   wip/moresubs.rbas
U   wip/node_hsint.js
U   wip/plotscr.hsd
U   wip/scriptcommands.bas
U   wip/testgame/hstests.hss